Mailing Address 41 PINELAWN ROAD MELVILLE NY 11747
Business Address 41 PINELAWN ROAD MELVILLE NY 11747 631-962-2000
OSI PHARMACEUTICALS INC CIK#: 0000729922 (see all company filings)

SIC: 2835 - IN VITRO & IN VIVO DIAGNOSTIC SUBSTANCES
State location: NY | State of Inc.: DE | Fiscal Year End: 1231
formerly: ONCOGENE SCIENCE INC (filings through 1997-08-07)
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File Number: 000-15190

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Items 1 - 40  000-15190 Filings RSS Feed
Filings Format Description Filing Date File/Film Number
CT ORDER  Documents Confidential treatment order
Acc-no: 9999999997-10-018958 (34 Act)  Size: 16 KB
2010-10-19 000-15190
101130343
15-12G  Documents Securities registration termination [Section 12(g)]
Acc-no: 0000950123-10-059201 (34 Act)  Size: 8 KB
2010-06-18 000-15190
10905339
3  Documents Initial statement of beneficial ownership of securities
Acc-no: 0001181431-10-032351 (34 Act)  Size: 3 KB
2010-06-09 000-15190
10888704
3  Documents Initial statement of beneficial ownership of securities
Acc-no: 0001181431-10-032350 (34 Act)  Size: 3 KB
2010-06-09 000-15190
10888703
3  Documents Initial statement of beneficial ownership of securities
Acc-no: 0001181431-10-032349 (34 Act)  Size: 3 KB
2010-06-09 000-15190
10888702
3  Documents Initial statement of beneficial ownership of securities
Acc-no: 0001181431-10-032348 (34 Act)  Size: 3 KB
2010-06-09 000-15190
10888701
4  Documents Statement of changes in beneficial ownership of securities
Acc-no: 0001127602-10-016870 (34 Act)  Size: 4 KB
2010-06-09 000-15190
10888593
4  Documents Statement of changes in beneficial ownership of securities
Acc-no: 0001127602-10-016868 (34 Act)  Size: 4 KB
2010-06-09 000-15190
10888589
4  Documents Statement of changes in beneficial ownership of securities
Acc-no: 0001127602-10-016867 (34 Act)  Size: 6 KB
2010-06-09 000-15190
10888576
4  Documents Statement of changes in beneficial ownership of securities
Acc-no: 0001127602-10-016865 (34 Act)  Size: 4 KB
2010-06-09 000-15190
10888572
4  Documents Statement of changes in beneficial ownership of securities
Acc-no: 0001127602-10-016864 (34 Act)  Size: 4 KB
2010-06-09 000-15190
10888566
4  Documents Statement of changes in beneficial ownership of securities
Acc-no: 0001127602-10-016863 (34 Act)  Size: 4 KB
2010-06-09 000-15190
10888561
4  Documents Statement of changes in beneficial ownership of securities
Acc-no: 0001127602-10-016861 (34 Act)  Size: 4 KB
2010-06-09 000-15190
10888558
4  Documents Statement of changes in beneficial ownership of securities
Acc-no: 0001127602-10-016859 (34 Act)  Size: 4 KB
2010-06-09 000-15190
10888554
4  Documents Statement of changes in beneficial ownership of securities
Acc-no: 0001127602-10-016858 (34 Act)  Size: 4 KB
2010-06-09 000-15190
10888550
4  Documents Statement of changes in beneficial ownership of securities
Acc-no: 0001127602-10-016857 (34 Act)  Size: 6 KB
2010-06-09 000-15190
10888547
4  Documents Statement of changes in beneficial ownership of securities
Acc-no: 0001127602-10-016854 (34 Act)  Size: 5 KB
2010-06-09 000-15190
10888022
4  Documents Statement of changes in beneficial ownership of securities
Acc-no: 0001127602-10-016850 (34 Act)  Size: 4 KB
2010-06-09 000-15190
10888015
4  Documents Statement of changes in beneficial ownership of securities
Acc-no: 0001127602-10-016848 (34 Act)  Size: 4 KB
2010-06-09 000-15190
10888005
4  Documents Statement of changes in beneficial ownership of securities
Acc-no: 0001127602-10-016845 (34 Act)  Size: 5 KB
2010-06-09 000-15190
10887982
4  Documents Statement of changes in beneficial ownership of securities
Acc-no: 0001127602-10-016842 (34 Act)  Size: 4 KB
2010-06-09 000-15190
10887947
8-K  Documents Current report, items 2.04, 3.01, 3.03, 5.01, 5.02, 5.03, and 9.01
Acc-no: 0001341004-10-001009 (34 Act)  Size: 252 KB
2010-06-09 000-15190
10887684
4  Documents Statement of changes in beneficial ownership of securities
Acc-no: 0001181431-10-032185 (34 Act)  Size: 14 KB
2010-06-09 000-15190
10886685
4  Documents Statement of changes in beneficial ownership of securities
Acc-no: 0001181431-10-032185 (34 Act)  Size: 14 KB
2010-06-09 000-15190
10886684
4  Documents Statement of changes in beneficial ownership of securities
Acc-no: 0001181431-10-032185 (34 Act)  Size: 14 KB
2010-06-09 000-15190
10886683
25-NSE  Documents Notification filed by national security exchange to report the removal from listing and registration of matured, redeemed or retired securities
Acc-no: 0001354457-10-000160 (34 Act)  Size: 3 KB
2010-06-08 000-15190
10885087
4  Documents Statement of changes in beneficial ownership of securities
Acc-no: 0001181431-10-031989 (34 Act)  Size: 13 KB
2010-06-08 000-15190
10884406
4  Documents Statement of changes in beneficial ownership of securities
Acc-no: 0001181431-10-031989 (34 Act)  Size: 13 KB
2010-06-08 000-15190
10884405
4  Documents Statement of changes in beneficial ownership of securities
Acc-no: 0001181431-10-031989 (34 Act)  Size: 13 KB
2010-06-08 000-15190
10884407
4  Documents Statement of changes in beneficial ownership of securities
Acc-no: 0001127602-10-016676 (34 Act)  Size: 30 KB
2010-06-07 000-15190
10882715
4  Documents Statement of changes in beneficial ownership of securities
Acc-no: 0001127602-10-016674 (34 Act)  Size: 20 KB
2010-06-07 000-15190
10882708
4  Documents Statement of changes in beneficial ownership of securities
Acc-no: 0001127602-10-016672 (34 Act)  Size: 19 KB
2010-06-07 000-15190
10882699
4  Documents Statement of changes in beneficial ownership of securities
Acc-no: 0001127602-10-016670 (34 Act)  Size: 14 KB
2010-06-07 000-15190
10882698
4  Documents Statement of changes in beneficial ownership of securities
Acc-no: 0001127602-10-016668 (34 Act)  Size: 27 KB
2010-06-07 000-15190
10882692
4  Documents Statement of changes in beneficial ownership of securities
Acc-no: 0001127602-10-016666 (34 Act)  Size: 11 KB
2010-06-07 000-15190
10882686
4  Documents Statement of changes in beneficial ownership of securities
Acc-no: 0001127602-10-016664 (34 Act)  Size: 15 KB
2010-06-07 000-15190
10882684
4  Documents Statement of changes in beneficial ownership of securities
Acc-no: 0001127602-10-016662 (34 Act)  Size: 25 KB
2010-06-07 000-15190
10882677
4  Documents Statement of changes in beneficial ownership of securities
Acc-no: 0001127602-10-016660 (34 Act)  Size: 14 KB
2010-06-07 000-15190
10882668
4  Documents Statement of changes in beneficial ownership of securities
Acc-no: 0001127602-10-016658 (34 Act)  Size: 23 KB
2010-06-07 000-15190
10882657
4  Documents Statement of changes in beneficial ownership of securities
Acc-no: 0001127602-10-016656 (34 Act)  Size: 17 KB
2010-06-07 000-15190
10882636